When the aircraft is loaded with 50t vehicle container, it behaves like the container weights more and creates more drag than identical in weight and size fuel tank with 50t dead weight.
To test, try 50% THR with container, mind max speed and attitude, then replace container with 50t dead weight fuel tank, repeat the test.
Expected: same behavior as long as Craft Mass and COG placement are the same. (BTW the indicated Craft Weight doesn't account for a container, shows 196t, while it's actually 246t total.)
Observed: with container - 9 m/s, nose goes down (1st screenshot); with dead weight - 15 m/s, nose stays up (2nd screenshot).
Bug
Rejected
Found in 1.0.909.1
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3 Comments
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Dev Pedro1.6 years ago
This is a technical limitation that can't easily be fixed. Parts that aren't attached together have their drag calculated independently, so with a container within the cargo bay the drag will be a tad higher than with the same mass on a fuel tank replacing said cargo bay.
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We investigated possible solutions but the performance impact was unjustifiably large sadly. Sorry for the annoyance! -
134 mundindel1.6 years ago
Did another test by placing container on the top of the wing so it's above water line. Took off no problem.
All facts combined, it seems that the cargo interacts with outer world directly, like it's not contained inside the bay.
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Thanks for looking into this.
Sure you guys know what you're doing, but just as an idea - did you consider checking if the detached object is contained inside the bay, and if yes, excluding it from drag calculations completely ?